54812690 has 16 divisors (see below), whose sum is σ = 98916120. Its totient is φ = 21868800.

The previous prime is 54812687. The next prime is 54812729. The reversal of 54812690 is 9621845.

It can be written as a sum of positive squares in 4 ways, for example, as 54804409 + 8281 = 7403^2 + 91^2 .

It is a super-2 number, since 2×54812690² = 6008861970072200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54812690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2825 + ... + 10844.

Almost surely, 2^54812690 is an apocalyptic number.

54812690 is a deficient number, since it is larger than the sum of its proper divisors (44103430).

54812690 is a wasteful number, since it uses less digits than its factorization.

54812690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14077.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 54812690 is about 7403.5592791576. The cubic root of 54812690 is about 379.8630392848.

The spelling of 54812690 in words is "fifty-four million, eight hundred twelve thousand, six hundred ninety".